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To: Yoav Artzi <yoavar@checkpoint.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Linux kernel memory and split on 64-bit machines
From: Andi Kleen <andi@firstfloor.org>
References: <4725C1EB.10205@checkpoint.com>
Date: Mon, 29 Oct 2007 13:11:15 +0100
In-Reply-To: <4725C1EB.10205@checkpoint.com> (Yoav Artzi's message of "Mon\, 29 Oct 2007 13\:20\:11 +0200")
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Yoav Artzi <yoavar@checkpoint.com> writes:

> I am researching now about the Linux kernel memory on 64-bit (x86_64)
> machines. I am looking into answering the following questions:
>
> 1. Is there a user-kernel split on 64-bit memories? If so, how is it
> done? What is the size of each part?

See Documentation/x86_64/mm.txt. Note it changed in 2.6.11.

-Andi